Home / 75,233.20-112,878.60-74,052.40

Finding the Fourth Proportional to 75,233.20, 112,878.60 and 74,052.40

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Solution

The fourth proportional to 75,233.20, 112,878.60 and 74,052.40 is: 111,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,233.20 : 112,878.60 = 74,052.40 : x
  2. Step 2: Convert to fraction form
    75,233.20/112,878.60 = 74,052.40/x
  3. Step 3: Cross multiply
    75,233.20x = 112,878.60 × 74,052.40
  4. Step 4: Simplify right side
    75,233.20x = 8,358,931,238.64
  5. Step 5: Solve for x
    x = 8,358,931,238.64/75,233.20
  6. Step 6: Final answer
    x = 111,106.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.